The Tweezerman 4-in-1 neon manicure block is designed to file, buff, smooth and shine your nails. Each side helps to gently smooth and refine your nail edge. This 4-in-1 neon manicure block can easily be removed and replaced with a new pad which is also included with the block. Tweezerman recommends replacing the pads after regular use to ensure you are getting constant shine on your nails. Great for all nail types.